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    • 4. 发明授权
    • System, method and computer program product for monitoring memory access
    • 用于监控内存访问的系统,方法和计算机程序产品
    • US08635381B2
    • 2014-01-21
    • US12869591
    • 2010-08-26
    • Richard L. ArndtKarthick RajamaniJeffrey A. Stuecheli
    • Richard L. ArndtKarthick RajamaniJeffrey A. Stuecheli
    • G06F3/00
    • G06F11/3485G06F2201/88
    • According to one aspect of the present disclosure a method and technique for monitoring memory access is disclosed. The method includes monitoring, by a plurality of memory controllers, access to a memory unit, wherein each memory controller is associated with a different range of memory addresses of the memory unit, and wherein each memory controller monitors access for its associated range of memory addresses. The method also includes updating an incrementor with access data corresponding to accesses to the memory unit, wherein each memory controller updates the access data based on access of its associated range of memory addresses. The method further includes storing, by each respective memory controller, the updated access data in a cache corresponding to the respective range of memory addresses and, responsive to the updated access data for a respective range of memory addresses exceeding a threshold, storing the access data for the respective range of memory addresses in memory unit.
    • 根据本公开的一个方面,公开了一种用于监视存储器访问的方法和技术。 该方法包括通过多个存储器控制器监视对存储器单元的访问,其中每个存储器控制器与存储器单元的存储器地址的不同范围相关联,并且其中每个存储器控制器监视对其相关联的存储器地址范围的访问 。 该方法还包括使用与对存储器单元的访问相对应的访问数据来更新增量器,其中每个存储器控制器基于其相关联的存储器地址范围的访问来更新访问数据。 该方法还包括由每个相应的存储器控​​制器将更新的访问数据存储在与存储器地址的相应范围相对应的高速缓存中,并且响应于对于超过阈值的存储器地址的相应范围的更新的访问数据,存储访问数据 对于存储器单元中的各个存储器地址范围。